| Trophy | How to unlock
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- Across the Multiverse (Bronze)
| - As Marines or Cranioids, win against a human playing any other faction.
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| - Find "Gwen" the penguin in each mission of the Cranioid campaign.
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| - Find "Gwen" the penguin in each mission of the Galactic Marine Corp campaign.
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| - Complete mission 6 of the Cranioids campaign.
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| - Complete the Cranioids campaign with 2 stars in each mission.
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- Cerebral Victory (Silver)
| - Complete the single-player campaign with the Cranioids faction.
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| - Complete mission 6 of the Galactic Marine Corp campaign.
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| - Complete all ten co-op campaign missions and earn all possible stars.
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| - Win a one-on-one skirmish game against an insane AI with the Marines faction.
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| - Win a one-on-one skirmish game against an insane AI with the Cranioids faction.
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- It's full of Stars! (Gold)
| - Complete the Marines campaign with 3 stars in each mission.
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| - Complete the Cranioids campaign at hard difficulty in each mission.
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| - Find "Gwen" the penguin in every mission of the 8-Bit Invaders solo campaigns.
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| - Complete the Marines campaign with all stars in each mission.
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| - Complete the Marines campaign with 2 stars in each mission.
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| - Complete all ten co-op campaign missions with at least one star.
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| - Complete 7 other (mystery) achievements to receive this achievement.
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- This is MY Galaxy! (Gold)
| - Complete the Marines campaign at hard difficulty in each mission.
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- This War of Ours (Silver)
| - Complete all ten co-op campaign missions with at least two stars.
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- Two is All I Need (Bronze)
| - As Marines or Cranioids win a skirmish on hard without building more than one harvester
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| - Win a team match against humans playing Marines and Cranioids.
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- Where's My Parade? (Silver)
| - Complete the single-player campaign with the Galactic Marine Corp faction.
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